#3F46D2#3F46D2

#3F46D2 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.3% C 0.210 H 273.2°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F46D2
RGB	rgb(63, 70, 210)
HSL	hsl(237, 62%, 54%)
HSV	hsv(237, 70%, 82%)
CMYK	cmyk(70%, 66.7%, 0%, 17.6%)
CIE-LAB	lab(38.00, 42.56, -72.73)
CIE-LCH	lch(38.00, 84.27, 300.33°)
OKLab	oklab(48.3% 0.0116 -0.2102)
OKLCH	oklch(48.3% 0.21 273.2)
XYZ	xyz(15.8690, 10.0887, 62.0713)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F46D2 #D2CB3F

analogous

#3F8FD2 #3F46D2 #813FD2

triadic

#3F46D2 #D23F46 #46D23F

tetradic

#3F46D2 #D23F8F #D2CB3F #3FD281

square

#3F46D2 #D23F8F #D2CB3F #3FD281

split-complementary

#3F46D2 #D2813F #8FD23F

monochromatic

#1D217A #282EAC #3F46D2 #7176DE #A2A6E9

Accessibility & contrast

On white

6.96

#3F46D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3F46D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F46D2

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F46D2	#FFFFFF	#000000	##FFFFFF
##3F46D2	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D6

Deuteranopia (green-blind)

#0053CF

Tritanopia (blue-blind)

#006B86

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3f46d2;
/* rgb */ color: rgb(63, 70, 210);
/* oklch */ color: oklch(48.3% 0.210 273.2);

Tailwind

colors: {
  custom: {
    50: '#887ae1',
    500: '#3f46d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f46d2;
$custom-light: #887ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f46d2",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 210
  },
  "hsl": {
    "h": 237.143,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.48301,
    "c": 0.21049,
    "h": 273.2
  },
  "luminance": 0.1009
}

Semantic roles & 50–950 ramp

primary

#3F46D2

secondary

#D6D397

accent

#DD43E5

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F46D2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →